DE69301971D1 - Color cathode ray tube - Google Patents

Color cathode ray tube

Info

Publication number
DE69301971D1
DE69301971D1 DE69301971T DE69301971T DE69301971D1 DE 69301971 D1 DE69301971 D1 DE 69301971D1 DE 69301971 T DE69301971 T DE 69301971T DE 69301971 T DE69301971 T DE 69301971T DE 69301971 D1 DE69301971 D1 DE 69301971D1
Authority
DE
Germany
Prior art keywords
ray tube
cathode ray
color cathode
color
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69301971T
Other languages
German (de)
Other versions
DE69301971T2 (en
Inventor
Akira Haga
Hiroshi Nasuno
Keisuke Yamane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Tohoku Gakuin University
Original Assignee
Mitsubishi Electric Corp
Tohoku Gakuin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, Tohoku Gakuin University filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69301971D1 publication Critical patent/DE69301971D1/en
Publication of DE69301971T2 publication Critical patent/DE69301971T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/003—Preventing or cancelling fields entering the enclosure
DE69301971T 1992-07-21 1993-07-20 Color cathode ray tube Expired - Fee Related DE69301971T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4193557A JPH0636701A (en) 1992-07-21 1992-07-21 Color cathode-ray tube

Publications (2)

Publication Number Publication Date
DE69301971D1 true DE69301971D1 (en) 1996-05-02
DE69301971T2 DE69301971T2 (en) 1996-10-31

Family

ID=16310029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69301971T Expired - Fee Related DE69301971T2 (en) 1992-07-21 1993-07-20 Color cathode ray tube

Country Status (5)

Country Link
US (1) US5530316A (en)
EP (1) EP0580118B1 (en)
JP (1) JPH0636701A (en)
KR (1) KR940002904A (en)
DE (1) DE69301971T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3135421B2 (en) * 1993-07-06 2001-02-13 松下電子工業株式会社 Color cathode ray tube
US6034744A (en) * 1994-08-11 2000-03-07 Lg Electronics Inc. Magnetism shield for cathode ray tube
KR100350621B1 (en) * 2000-12-15 2002-08-30 엘지전자주식회사 The CRT Having Improved Inner shield

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502258U (en) * 1973-05-02 1975-01-10
US3876898A (en) * 1974-06-27 1975-04-08 Gte Sylvania Inc Shielding means for a cathode ray tube
JPS5413253A (en) * 1977-07-01 1979-01-31 Hitachi Ltd Color receiving tube
US4467241A (en) * 1979-10-01 1984-08-21 Owens-Illinois, Inc. CRT With magnetic shield
DE3162156D1 (en) * 1980-04-17 1984-03-15 Tokyo Shibaura Electric Co Color picture tube provided with an inner magnetic shield
US4580076A (en) * 1982-03-31 1986-04-01 Tokyo Shibaura Denki Kabushiki Kaisha Color cathode ray tube
US4758193A (en) * 1985-10-03 1988-07-19 North American Philips Consumer Electronics Corp. Color cathode ray tube having improved internal magnetic shield
US4670686A (en) * 1986-04-29 1987-06-02 Rca Corporation CRT internal magnetic shield contact spring
US4963789A (en) * 1989-05-01 1990-10-16 Conrac Scd, Inc. Method and apparatus for dynamic magnetic field neutralization
US5081392A (en) * 1990-09-11 1992-01-14 Rca Thomson Licensing Corporation Color picture tube having an internal magnetic shield
US5180947A (en) * 1991-04-23 1993-01-19 Alliant Techsystems Inc. Shielded cathode ray tube
JP2544543B2 (en) * 1991-06-11 1996-10-16 東北学院大学 Color cathode ray tube

Also Published As

Publication number Publication date
EP0580118B1 (en) 1996-03-27
DE69301971T2 (en) 1996-10-31
EP0580118A1 (en) 1994-01-26
JPH0636701A (en) 1994-02-10
KR940002904A (en) 1994-02-19
US5530316A (en) 1996-06-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee